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author | rdivacky <rdivacky@FreeBSD.org> | 2010-03-03 17:28:16 +0000 |
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committer | rdivacky <rdivacky@FreeBSD.org> | 2010-03-03 17:28:16 +0000 |
commit | df90325d4c0a65ee64d2dae3ed9b5b34f7418533 (patch) | |
tree | e1a885aadfd80632f5bd70d4bd2d37e715e35a79 /test/CodeGenCXX/vtable-layout-abi-examples.cpp | |
parent | fd035e6496665b1f1197868e21cb0a4594e8db6e (diff) | |
download | FreeBSD-src-df90325d4c0a65ee64d2dae3ed9b5b34f7418533.zip FreeBSD-src-df90325d4c0a65ee64d2dae3ed9b5b34f7418533.tar.gz |
Update clang to 97654.
Diffstat (limited to 'test/CodeGenCXX/vtable-layout-abi-examples.cpp')
-rw-r--r-- | test/CodeGenCXX/vtable-layout-abi-examples.cpp | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/test/CodeGenCXX/vtable-layout-abi-examples.cpp b/test/CodeGenCXX/vtable-layout-abi-examples.cpp new file mode 100644 index 0000000..2c6b7a4 --- /dev/null +++ b/test/CodeGenCXX/vtable-layout-abi-examples.cpp @@ -0,0 +1,189 @@ +// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm-only -fdump-vtable-layouts 2>&1 | FileCheck %s + +/// Examples from the Itanium C++ ABI specification. +/// http://www.codesourcery.com/public/cxx-abi/ + +namespace Test1 { + +// This is from http://www.codesourcery.com/public/cxx-abi/cxx-vtable-ex.html + +// CHECK: Vtable for 'Test1::A' (5 entries). +// CHECK-NEXT: 0 | offset_to_top (0) +// CHECK-NEXT: 1 | Test1::A RTTI +// CHECK-NEXT: -- (Test1::A, 0) vtable address -- +// CHECK-NEXT: 2 | void Test1::A::f() +// CHECK-NEXT: 3 | void Test1::A::g() +// CHECK-NEXT: 4 | void Test1::A::h() +struct A { + virtual void f (); + virtual void g (); + virtual void h (); + int ia; +}; +void A::f() {} + +// CHECK: Vtable for 'Test1::B' (13 entries). +// CHECK-NEXT: 0 | vbase_offset (16) +// CHECK-NEXT: 1 | offset_to_top (0) +// CHECK-NEXT: 2 | Test1::B RTTI +// CHECK-NEXT: -- (Test1::B, 0) vtable address -- +// CHECK-NEXT: 3 | void Test1::B::f() +// CHECK-NEXT: 4 | void Test1::B::h() +// CHECK-NEXT: 5 | vcall_offset (-16) +// CHECK-NEXT: 6 | vcall_offset (0) +// CHECK-NEXT: 7 | vcall_offset (-16) +// CHECK-NEXT: 8 | offset_to_top (-16) +// CHECK-NEXT: 9 | Test1::B RTTI +// CHECK-NEXT: -- (Test1::A, 16) vtable address -- +// CHECK-NEXT: 10 | void Test1::B::f() +// CHECK-NEXT: [this adjustment: 0 non-virtual, -24 vcall offset offset] +// CHECK-NEXT: 11 | void Test1::A::g() +// CHECK-NEXT: 12 | void Test1::B::h() +// CHECK-NEXT: [this adjustment: 0 non-virtual, -40 vcall offset offset] +struct B: public virtual A { + void f (); + void h (); + int ib; +}; +void B::f() {} + +// CHECK: Vtable for 'Test1::C' (13 entries). +// CHECK-NEXT: 0 | vbase_offset (16) +// CHECK-NEXT: 1 | offset_to_top (0) +// CHECK-NEXT: 2 | Test1::C RTTI +// CHECK-NEXT: -- (Test1::C, 0) vtable address -- +// CHECK-NEXT: 3 | void Test1::C::g() +// CHECK-NEXT: 4 | void Test1::C::h() +// CHECK-NEXT: 5 | vcall_offset (-16) +// CHECK-NEXT: 6 | vcall_offset (-16) +// CHECK-NEXT: 7 | vcall_offset (0) +// CHECK-NEXT: 8 | offset_to_top (-16) +// CHECK-NEXT: 9 | Test1::C RTTI +// CHECK-NEXT: -- (Test1::A, 16) vtable address -- +// CHECK-NEXT: 10 | void Test1::A::f() +// CHECK-NEXT: 11 | void Test1::C::g() +// CHECK-NEXT: [this adjustment: 0 non-virtual, -32 vcall offset offset] +// CHECK-NEXT: 12 | void Test1::C::h() +// CHECK-NEXT: [this adjustment: 0 non-virtual, -40 vcall offset offset] +struct C: public virtual A { + void g (); + void h (); + int ic; +}; +void C::g() {} + +// CHECK: Vtable for 'Test1::D' (18 entries). +// CHECK-NEXT: 0 | vbase_offset (32) +// CHECK-NEXT: 1 | offset_to_top (0) +// CHECK-NEXT: 2 | Test1::D RTTI +// CHECK-NEXT: -- (Test1::B, 0) vtable address -- +// CHECK-NEXT: -- (Test1::D, 0) vtable address -- +// CHECK-NEXT: 3 | void Test1::B::f() +// CHECK-NEXT: 4 | void Test1::D::h() +// CHECK-NEXT: 5 | vbase_offset (16) +// CHECK-NEXT: 6 | offset_to_top (-16) +// CHECK-NEXT: 7 | Test1::D RTTI +// CHECK-NEXT: -- (Test1::C, 16) vtable address -- +// CHECK-NEXT: 8 | void Test1::C::g() +// CHECK-NEXT: 9 | void Test1::D::h() +// CHECK-NEXT: [this adjustment: -16 non-virtual] +// CHECK-NEXT: 10 | vcall_offset (-32) +// CHECK-NEXT: 11 | vcall_offset (-16) +// CHECK-NEXT: 12 | vcall_offset (-32) +// CHECK-NEXT: 13 | offset_to_top (-32) +// CHECK-NEXT: 14 | Test1::D RTTI +// CHECK-NEXT: -- (Test1::A, 32) vtable address -- +// CHECK-NEXT: 15 | void Test1::B::f() +// CHECK-NEXT: [this adjustment: 0 non-virtual, -24 vcall offset offset] +// CHECK-NEXT: 16 | void Test1::C::g() +// CHECK-NEXT: [this adjustment: 0 non-virtual, -32 vcall offset offset] +// CHECK-NEXT: 17 | void Test1::D::h() +// CHECK-NEXT: [this adjustment: 0 non-virtual, -40 vcall offset offset] +struct D: public B, public C { + void h (); + int id; +}; +void D::h() { } + +struct X { + int ix; + virtual void x(); +}; + +// CHECK: Vtable for 'Test1::E' (24 entries). +// CHECK-NEXT: 0 | vbase_offset (56) +// CHECK-NEXT: 1 | offset_to_top (0) +// CHECK-NEXT: 2 | Test1::E RTTI +// CHECK-NEXT: -- (Test1::E, 0) vtable address -- +// CHECK-NEXT: -- (Test1::X, 0) vtable address -- +// CHECK-NEXT: 3 | void Test1::X::x() +// CHECK-NEXT: 4 | void Test1::E::f() +// CHECK-NEXT: 5 | void Test1::E::h() +// CHECK-NEXT: 6 | vbase_offset (40) +// CHECK-NEXT: 7 | offset_to_top (-16) +// CHECK-NEXT: 8 | Test1::E RTTI +// CHECK-NEXT: -- (Test1::B, 16) vtable address -- +// CHECK-NEXT: -- (Test1::D, 16) vtable address -- +// CHECK-NEXT: 9 | void Test1::E::f() +// CHECK-NEXT: [this adjustment: -16 non-virtual] +// CHECK-NEXT: 10 | void Test1::E::h() +// CHECK-NEXT: [this adjustment: -16 non-virtual] +// CHECK-NEXT: 11 | vbase_offset (24) +// CHECK-NEXT: 12 | offset_to_top (-32) +// CHECK-NEXT: 13 | Test1::E RTTI +// CHECK-NEXT: -- (Test1::C, 32) vtable address -- +// CHECK-NEXT: 14 | void Test1::C::g() +// CHECK-NEXT: 15 | void Test1::E::h() +// CHECK-NEXT: [this adjustment: -32 non-virtual] +// CHECK-NEXT: 16 | vcall_offset (-56) +// CHECK-NEXT: 17 | vcall_offset (-24) +// CHECK-NEXT: 18 | vcall_offset (-56) +// CHECK-NEXT: 19 | offset_to_top (-56) +// CHECK-NEXT: 20 | Test1::E RTTI +// CHECK-NEXT: -- (Test1::A, 56) vtable address -- +// CHECK-NEXT: 21 | void Test1::E::f() +// CHECK-NEXT: [this adjustment: 0 non-virtual, -24 vcall offset offset] +// CHECK-NEXT: 22 | void Test1::C::g() +// CHECK-NEXT: [this adjustment: 0 non-virtual, -32 vcall offset offset] +// CHECK-NEXT: 23 | void Test1::E::h() +// CHECK-NEXT: [this adjustment: 0 non-virtual, -40 vcall offset offset] +struct E : X, D { + int ie; + void f(); + void h (); +}; +void E::f() { } + +} + +namespace Test2 { + +// From http://www.codesourcery.com/public/cxx-abi/abi.html#class-types. + +struct A { virtual void f(); }; +struct B : virtual public A { int i; }; +struct C : virtual public A { int j; }; + +// CHECK: Vtable for 'Test2::D' (11 entries). +// CHECK-NEXT: 0 | vbase_offset (0) +// CHECK-NEXT: 1 | vcall_offset (0) +// CHECK-NEXT: 2 | offset_to_top (0) +// CHECK-NEXT: 3 | Test2::D RTTI +// CHECK-NEXT: -- (Test2::A, 0) vtable address -- +// CHECK-NEXT: -- (Test2::B, 0) vtable address -- +// CHECK-NEXT: -- (Test2::D, 0) vtable address -- +// CHECK-NEXT: 4 | void Test2::A::f() +// CHECK-NEXT: 5 | void Test2::D::d() +// CHECK-NEXT: 6 | vbase_offset (-16) +// CHECK-NEXT: 7 | vcall_offset (-16) +// CHECK-NEXT: 8 | offset_to_top (-16) +// CHECK-NEXT: 9 | Test2::D RTTI +// CHECK-NEXT: -- (Test2::A, 16) vtable address -- +// CHECK-NEXT: -- (Test2::C, 16) vtable address -- +// CHECK-NEXT: 10 | [unused] void Test2::A::f() +struct D : public B, public C { + virtual void d(); +}; +void D::d() { } + +} |